// LL1.java
// Demonstratins the use of an iterator over the library class LinkedList.
//

import java.util.*;

public class LL1 {
   public static void main(String[] args)  {
       LinkedList<String> l = new LinkedList<String>();
       l.add("Let");
       l.add("us");
       l.add("go");
       l.add("then");
   
       for (String Word : l)
          System.out.println(Word);

       Iterator itr = l.iterator();
       while (itr.hasNext()) {
         System.out.println(itr.next());
         }

       for (Iterator it2 = l.iterator(); it2.hasNext(); )
         System.out.println(it2.next());
   }
}